ok, my box is going to be 2 separate chambers, each with an internal volume of 2.65 after sub displacement. I want to tune it to 36 Hz, and preferably 3" PVC ports, how long shall they be? Jmac I know you can help me out with this one...

Randy Savage

12-24-2002, 04:46 AM

Everything in my sig...and thats the vol. after sub disp. but before port, i dont know how much port disp is, im guessing around .075 cu ft?? I dont know, I'm truly lost right now

Randy Savage

12-24-2002, 04:53 AM

Can ya tell me how long theyd have to be? and should i just make a sloted port instead?

Randy Savage

12-24-2002, 05:08 AM

Ok, right now im lookin at like 20H x 34 W x 18 D, volume of 5.74 before any displacements, 5.22 after sub displacement, what dimensions should I make the slot if I have one common chamber?